USB Power Bank Backup Charger

We are offering 12000200003000050000mah universal 2 usb power bank backup charger battery + 8 adaptors black
• specification:
color: black white
capacity: 12000mah20000mah30000mah50000mah
output 1: 5.0v, 2.1a(max.)
output 2: 5.0v,1.0a(max.)
input: dc 5v, 1.0a (max.)
circle time:≥500 times
this bank power is available for most kinds of electronic
products which need to charge with usb, such us mobile phone (apple, nokia, samsung, etc.)
iphone iphone4, iphone 3g, iphone 3gs, (if you have a connector for iphone 5g,it can fit 5g)
ipod, ipod classic, ipod touch, ipod touch 2g, ipod nano, psp, mp3, mp4, psp, gps, digital camera, bluetooth,ect.